Two-photon optical frequency reference with active ac Stark shift cancellation

@inproceedings{Gerginov2018TwophotonOF,
  title={Two-photon optical frequency reference with active ac Stark shift cancellation},
  author={Vladislav Gerginov and Kyle Beloy},
  year={2018}
}
An optical reference based on a two-photon optical transition with ac Stark shift cancellation is proposed. The reference uses two interrogating laser fields at different frequencies. Compared to conventional optical two-photon references, the new approach offers the possibility for improved short-term stability resulting from a higher signal-to-noise and improved long-term stability due to active ac Stark shift cancellation. We demonstrate the ac Stark shift cancellation method on the $5s… CONTINUE READING
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